TECHNICAL NOTES ON THE EEC-IV MCU - Auto diagnostics

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Vs=5.0 Tamb=19C 19-Mar-97 L/min Below data came straight off a Ford Calibration of air meters with AFM Vs=5.00 Tamb=19C AFM1 Bosch 0 280 200 025 19-Mar-97 AFM2 Ford 86GB12B529-AA with ref 0 280 200 047 29-Apr-97 From 2.9i V6 using two off L/min Lo meter Lo meter volts Hi meter volts 0 1.113 200 3.045 25 1.113 250 3.339 30 1.113 300 3.564 40 1.113 350 3.766 50 1.113 400 3.854 60 1.113 450 3.971 70 1.262 500 4.076 80 1.463 550 4.158 90 1.824 600 4.201 100 1.882 650 4.245 120 2.262 200 3.097 140 2.515 400 3.868 160 2.63 200 3.087 180 2.83 200 3.014 110 2.106 160 2.629 0 1.113 Table 55: MAF Calibration AFM1 AFM2 Hi meter AFM1 AFM2 0 1.113 0.2 200 3.045 1.16 25 1.113 250 3.339 30 1.113 0.25 300 3.564 1.73 40 1.113 350 3.766 50 1.113 0.25 400 3.854 2.09 60 1.113 450 3.971 70 1.262 0.25 500 4.076 2.35 80 1.463 550 4.158 90 1.824 0.25 600 4.201 2.58 100 1.882 0.25 650 4.245 120 2.262 0.45 680 2.75 Table 56: MAF Calibration Eectch98-Part3.fm EEC-IV Technical Notes: Sensors 50 last edited: 9/29/98
L/min Lo meter AFM1 AFM2 Hi meter AFM1 AFM2 140 2.515 0.68 400 3.868 160 2.63 0.83 200 3.087 180 2.83 0.98 200 3.014 1.15 110 2.106 160 2.629 0 1.113 Table 56: MAF Calibration This MAF transfer function graph came from Mike Wesley’s Calibrator demo. Eectch98-Part3.fm EEC-IV Technical Notes: Sensors 51 last edited: 9/29/98
Page 1 and 2: TECHNICAL NOTES ON THE EEC-IV MCU I
Page 3 and 4: Eectch98-Intro.fm Below is a list o
Page 5 and 6: Technical Notes on the EEC-IV MCU E
Page 7 and 8: Figure: 8061 Microprocessor Figure:
Page 9 and 10: High Speed Output Unit HOLDING REGI
Page 11 and 12: Eectch98-Part1.fm logic analyzer. T
Page 13 and 14: 8763 EPROM (IC-8) 8 GND RP4 20 CPU-
Page 15 and 16: 0B nu 0C SHRL SHRDW logical right s
Page 17 and 18: FC CLRVT CLRVT clear overflow trap
Page 19 and 20: 29 27 25 23 21 19 17 15 13 11 9 7 5
Page 21 and 22: No Mustang A9L '91 Ranger 2.3 '91 4
Page 23 and 24: Eectch98-Part2.fm some flow related
Page 25 and 26: Eectch98-Part2.fm mation and has th
Page 27 and 28: Scalar A9L Idle Speed Neutral Idle
Page 29 and 30: T I M E 45.00 0 0 0 0 0 0 0 0 0 0 3
Page 31 and 32: values. Divide them by 4 to convert
Page 33 and 34: ECT Advance -256 2 86 3 120 0 200 0
Page 35 and 36: RPM Seconds/ Degree 0 2.0000 0 2.00
Page 37 and 38: ECT Pulse Width (mS) 150 2.35546875
Page 39 and 40: Eectch98-Part2.fm (Note that, in In
Page 41 and 42: Eectch98-Part2.fm :17.25,18.5,18.5,
Page 43 and 44: min]:0.00341796875,0.0029296875,0.0
Page 45 and 46: A0 0F 0F A0 29 00 00 29 00 00 00 00
Page 47 and 48: Eectch98-Part3.fm would be equivale
Page 49: InHg is barometric pressure. TempF
Page 53 and 54: Eectch98-Part4.fm put the next byte
Page 55 and 56: Eectch98-Part4.fm goes to an HSO po
Page 57 and 58: Eectch98-Part5.fm • Air Meter Pin
Page 59 and 60: Eectch98-Part5.fm be better off wit
Page 61 and 62: RPM 800 1200 1600 2000 2400 2800 32
Page 63 and 64: Eectch98-Part5.fm 16d (Table 1). Al
Page 65 and 66: Eectch98-Part5.fm To achieve the EP
Page 67 and 68: Eectch98-Part5.fm only way out of n
Page 69 and 70: Eectch98-Part5.fm not cutting it up
Page 71 and 72: Eectch98-Part5.fm · Boost Retard S
Page 73 and 74: Eectch98-Part6.fm engine vehicle ye
Page 75 and 76: Eectch98-Part6.fm engine vehicle ye
Page 77 and 78: Abbrev. Meaning DVOM Digital Volt/O
Page 79: diagrams and tips on hot-rodding EE

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